Table 2 The indirect immunofluorescence antibody titre to Ehrlichia equi in various age groups in 2 sheep flocks, after the sheep had been housed indoors for nearly 6 months. A titre below 1:40 (log10 = 1.6) was considered negative.
From: Persistence of Granulocytic EhrlichiaInfection During Wintertime in Two Sheep Flocks in Norway
Age | |||||
|---|---|---|---|---|---|
Flock A | Flock B | ||||
1 year | 2 year | >2 year | 2 year | 3 year | |
Number of animals | 5 | 10 | 15 | 10 | 20 |
Number of seropositive animals | 4 (80%) | 9 (90%) | 13 (87%) | 2 (20%) | 10 (50%) |
Mean antibody titre of seropositive animals (log10) ± SD | 2.58 ± 0.250 | 2.41 ± 0.401 | 2.44 ± 0.428 | 2.20 ± 0.301 | 1.87 ± 0.211 |
Mean antibody titre in persistent infected animals (log10) ± SD* | 2.58 ± 0.250 | 2.35 ± 0.151 | |||